Question about 2001 Dodge Dakota

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My 2001 Dodge dakota 4.7 was overheating and boiling over coolant from the overflow of the coolant tank. I replaced the thermostat but it is still over heating. But it's not boilling over anymore. And when i turn on my heater the temperature goes back to normal... What is causing this?

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  • Anonymous Mar 21, 2014

    coolant boiling in tank

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  • Master
  • 491 Answers

Check the operation of the cooling fan
The water pump impellers could be worn down
Your radiator could be clogged up and need cleaned out

Posted on Oct 13, 2010

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Posted on Jan 02, 2017

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2 Answers

I have a 2001 dakota that is overheating. put in new thermostat, didnt help. put in new water pump, still overheating. finally replaced the radiator. still is overheating. what else can I do to fix it


Sometimes when you open cooling system, air gets in, it can cause problems with temp gage.
How hot does it get in degrees F? Is the coolant boiling over? Are you losing coolant? Use a non-contact infra red temp gun to take engine temp, At least we will have a degrees F reading. Most temp gages say hi or lo, cold or hot. I don't know about yours?
Can you check for combustion gases in the coolant?

Mar 18, 2017 | 2001 Dodge Dakota

1 Answer

99 dodge Dakota sport 5.2 losing water like crazy. We are poor, both disabled. Found back yard mechanic who was **** ****** tweaked. Made everything worse.


sounds terminal for the motor ...

. its always going to boil

you can try any off the shelf engine crack gasket seal product you add in the radiator while motor is running ... see if it helps any

you can cut the guts out of the middle thermostat
and fit the shell back into the housing
water flow needs some resistance

you will need to keep checking the water level if trying this next bit
slacken off the radiator cap or overflow bottle cap to reduce the coolant pressure
water will flow ... motor will get hot


long term
most likely its done the head gasket
or could be a cracked head
could even have coolant in the oil
and or oil in the coolant




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Jun 08, 2016 | Dodge Cars & Trucks

2 Answers

Overflow tank boils when hot


Its normal for the car to have antifreeze going to the overflow tank if thats what your asking.

Aug 24, 2013 | Hyundai Tiburon Cars & Trucks

2 Answers

OVERFLOW IS BOILING


If the thermostat is not opening, the engine will keep getting hotter as you drive. You could be low on coolant and have air pockets in the system which would cause the temp gauge to not be accurate. Is the radiator fan coming on when the tank is boiling ?

Jul 29, 2013 | 2001 Chrysler Concorde

2 Answers

Overheating coolant boiling out into reserve tank


you have a blown head gasket.. doesn't have to have coolant in the oil for a blown head gasket... if hoses are rock hard when running then you have exhaust leaking into the coolant via a blown head gasket...

Jul 14, 2012 | 1998 Plymouth Breeze

1 Answer

The car was overheating i checked all hoses and replaced the thermostat the radiator it still is ovrheating and the water is boiling in the overflow tank


Answer could be a faulty thermostat,or it could be a sign that your head gasket is about to blow ,or last of all your timing could be out of sync.

Answer 2 from Inventus: It means your cooling system is funtioning properly. In a system having a coolant recovery tank, coolant in the radiator is always up to the brim, hot or cold. There is negligible or no air space. When coolant in the radiator expands sufficiently due to warming from the engine, it will squeeze past the pressure cap's bottom seal and flow into the recovery tank. (If no provision for such expansion was present, the expansion would rupture the radiator or your hoses.) Only coolant within the radiator is under pressure, and because of this pressure (together with the elevated boiling point that the "anti-freeze" permits), it normally does not boil. But once past the pressure cap's bottom seal, the overflow is at atmospheric pressure and therefore boils.
This boiling is usually unnoticed after a short, i.e., local, trip because the cooler coolant already in the recovery tank quenches it. But after some highway driving the influx of more hot overflow heats up all the coolant in the recovery tank to the (unpressurized, i.e., "natural") boiling point.
As the engine cools when shut off, the contracting coolant in the radiator sucks back coolant from the recovery tank. Fluid in the recovery tank should never be below the "full hot" or "full cold" marks, lest air be sucked in.
-- BETTER ANSWER ==
Your cooling fans are not turning on. It is not normal for your overflow tank to boil like that. It is true that your radiator is overflowing into the reserve tank, but that means yourr adiaotor is boiling. Check for blown fuses or relays for your cooling fans. IF theya re fine. run your engine for about 15 minutes and drive. When you temp level is at normal operating temp open your hood with the engine runing and see if your fans are on. If they are, then you may have a bad thermostat or a plugged radiator, or a bad water pump. If the fans are not on, get your cooling fan switch replaced if your car has one. Check your temp sending sensor

Oct 30, 2011 | Cars & Trucks

2 Answers

I have a 2001 dodge dakota 4.7 litre v8 truck is running hot replaced hoses , thermostat, radiator cap, coolent temp sensor, rdaiator fan relay, flushed system, bleed system, still running hot coolent...


my be the heat sensor indicating wrong reading or you might be having a gasket problem but only if water level is decreasing and/or change into milky or brown color in coolant color

Jun 06, 2011 | 2001 Dodge Dakota

1 Answer

Why is the coolant coming out of the overflow bottle


make sure there is no coolant leak. is the radiator fan running? it should run whenever the A/C is on. if not, that will be the problem. Engine running, A/C on, see if the fan is running, if not get a long rod, broom handle ect and tap on the motor, if it starts to spin or starts running, replace the fan assy.

Sep 18, 2009 | 2000 Dodge Dakota Quad Cab

2 Answers

Dodge durango-2000-4.7 overheats


I hate to tell you this but it sounds like a blown head gasket.

Aug 01, 2009 | 2000 Dodge Durango

1 Answer

2001 dodge dakota engine cooling system


Normally you only need to check the level in the tank under the "engine coolant only" cap, but if you had a leak and lost coolant, check that the level of coolant under the "never open when hot" cap (it should be the radiator cap) is full - up to the brim. if not, fill it to overflowing, then cap it, fill the tank to its level, start the truck, let it reach operating temperature, let it cool down again, check the level in the radiator. if it's still fine, you need not worry about it again, just check the level in the tank daily.

Jun 21, 2009 | 2000 Dodge Dakota Quad Cab

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